WO2008123879A1 - Dispositif d'arthroplastie - Google Patents

Dispositif d'arthroplastie Download PDF

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Publication number
WO2008123879A1
WO2008123879A1 PCT/US2007/066058 US2007066058W WO2008123879A1 WO 2008123879 A1 WO2008123879 A1 WO 2008123879A1 US 2007066058 W US2007066058 W US 2007066058W WO 2008123879 A1 WO2008123879 A1 WO 2008123879A1
Authority
WO
WIPO (PCT)
Prior art keywords
prosthetic device
vertebra
motion segment
superior
motion
Prior art date
Application number
PCT/US2007/066058
Other languages
English (en)
Inventor
Craig M. Squires
Original Assignee
Warsaw Orthopedic, Inc.
Marik, Greg C.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Warsaw Orthopedic, Inc., Marik, Greg C. filed Critical Warsaw Orthopedic, Inc.
Priority to PCT/US2007/066058 priority Critical patent/WO2008123879A1/fr
Publication of WO2008123879A1 publication Critical patent/WO2008123879A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/442—Intervertebral or spinal discs, e.g. resilient
    • A—HUMAN NECESSITIES
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30721—Accessories
    • A61F2/30742—Bellows or hose-like seals; Sealing membranes
    • A—HUMAN NECESSITIES
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
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    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/3006—Properties of materials and coating materials
    • A61F2002/30062—(bio)absorbable, biodegradable, bioerodable, (bio)resorbable, resorptive
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30563—Special structural features of bone or joint prostheses not otherwise provided for having elastic means or damping means, different from springs, e.g. including an elastomeric core or shock absorbers
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    • A61F2002/30565—Special structural features of bone or joint prostheses not otherwise provided for having spring elements
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    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30576—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
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    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30576—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
    • A61F2002/30578—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs having apertures, e.g. for receiving fixation screws
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
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    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30581—Special structural features of bone or joint prostheses not otherwise provided for having a pocket filled with fluid, e.g. liquid
    • A61F2002/30583—Special structural features of bone or joint prostheses not otherwise provided for having a pocket filled with fluid, e.g. liquid filled with hardenable fluid, e.g. curable in-situ
    • A—HUMAN NECESSITIES
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    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
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    • A—HUMAN NECESSITIES
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30878—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
    • A—HUMAN NECESSITIES
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    • A61F2/02—Prostheses implantable into the body
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2002/448—Joints for the spine, e.g. vertebrae, spinal discs comprising multiple adjacent spinal implants within the same intervertebral space or within the same vertebra, e.g. comprising two adjacent spinal implants
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    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0004—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof bioabsorbable
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    • A61F2210/0085—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof hardenable in situ, e.g. epoxy resins
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    • A61F2310/00976—Coating or prosthesis-covering structure made of proteins or of polypeptides, e.g. of bone morphogenic proteins BMP or of transforming growth factors TGF

Definitions

  • Embodiments of the present disclosure relate generally to devices and methods for accomplishing spinal surgery, and more particularly in some embodiments, to spinal arthroplasty devices capable of being placed into the vertebral disc space.
  • a motion-preserving prosthetic device for use in the spine is provided.
  • a prosthetic device for placement at least partially between a superior vertebra and an inferior vertebra.
  • the prosthetic device includes a single piece of material having an upper portion adapted to engage the superior vertebra, a lower portion adapted to engage the inferior vertebra, and a first motion segment having a first shape to allow movement between the superior vertebra and the inferior vertebra.
  • Fig. 1 is a perspective view of a prosthetic device according to one embodiment of the present disclosure.
  • Fig. 2 is a side view of the prosthetic device of Fig. 1 disposed between two adjacent vertebrae.
  • Fig. 3 is a perspective view of a prosthetic device according to another embodiment of the present disclosure.
  • Fig. 4 is a perspective view of a prosthetic device according to another embodiment of the present disclosure.
  • Fig. 5 is a perspective view of a prosthetic device according to another embodiment of the present disclosure.
  • Fig. 6 is a perspective view of a prosthetic device according to another embodiment of the present disclosure.
  • the present disclosure relates generally to vertebral reconstructive devices, and more particularly, to devices and procedures for spinal arthroplasty.
  • spinal arthroplasty For the purposes of promoting an understanding of the principles of the invention, reference will now be made to the embodiments, or examples, illustrated in the drawings and specific language will be used to describe the embodiments. It will nevertheless be understood that no limitation of the scope of the invention is intended. Any alterations and further modifications of the described embodiments, and any further applications of the principles of the invention as described herein are contemplated as would normally occur to one skilled in the art to which the invention relates.
  • FIGs. 1 and 2 show a first exemplary embodiment of a spinal arthroplasty device according to the present disclosure.
  • An implant 100 includes an upper portion 102, a lower portion 104, and a motion segment 106. As shown in Fig. 2, the implant 100 is adapted to fit into a disc space between a superior vertebra 7 and an inferior vertebra 9.
  • the upper and lower portions 102, 104 include stop portions 108, 110, respectively.
  • the stop portions 108, 110 serve to help properly position the implant 100 in the disc space by limiting how far into the disc space the implant can travel.
  • the stop portions 108, 110 are further adapted to abut a portion of the vertebral body, such as the cortical rim, after insertion of the implant 100.
  • the stop portions 108, 110 may be selectively curved to substantially match the curvature of the vertebral bodies of the vertebrae 7, 9.
  • the implant 100 is of a selected size and/or shape for the patient and the application.
  • the implant 100 is of a selected length L.
  • the length L of the implant 100 may be further selected for the patient's specific size or condition.
  • the length L of the implant is such that the motion segment 106 is disposed between a midline and a posterior edge of the vertebrae 7, 9. For example, as shown in
  • the motion segment 106 is desired to be positioned in a posterior portion of the implant 100.
  • the implant 100 may include a motion segment that is adapted to be disposed between the midline and an anterior edge of the vertebrae 7, 9.
  • the precise position desired for the motion segment 106 may be dependent upon the patient's anatomy; the geometry of the motion segment; the presence of additional motion segments; the region of the spine; the material used to form the implant 100; the presence, or lack thereof, of other artificial components in the spinal region; the surgical approach to be used; and any other factor that may influence the efficacy of implant.
  • a height H and a width of the implant 100 may depend on these same factors and be adjusted accordingly.
  • the implant 100 may be attached to the vertebrae 7, 9 utilizing a number of different attachment means including, but not limited to porous coatings, protrusions, screws, staples, tacks, adhesives, and combinations of attachment means.
  • a superior engagement surface 112 of the upper portion 102 engages the superior vertebra 7 and an inferior engagement surface 114 of the lower portion 104 engages the inferior vertebra 9.
  • the engagement surfaces 112, 114 are shaped to match a contour of a surface of the vertebral endplates of the vertebrae 7, 9, respectively.
  • the stop portions 108, 110 are utilized to attach the implant 100 to the vertebrae 7, 9.
  • the stop portions 108, 110 may include attachment means similar to engagement surfaces 112, 114. Further, in some embodiments both the engagement surfaces 112, 114 and the stop portions 108, 110 are used to attach the implant 100 to the vertebrae 7, 9.
  • the engagement surfaces 112, 114 attach the implant 100 to the vertebrae 7, 9, the engagement surfaces may include features or coatings to enhance fixation.
  • the surfaces 112, 114 may be roughened by chemical etching, bead-blasting, sanding, grinding, serrating, nanotubes, or diamond-cutting. All or a portion of the engagement surfaces 112, 114 of the upper and lower portions 102, 104 may also be coated with a biocompatible and osteoinductive material such as hydroxyapatite (HA), tricalcium phosphate (TCP), or calcium carbonate to promote bone ingrowth and fixation.
  • HA hydroxyapatite
  • TCP tricalcium phosphate
  • osteoinductive coatings such as proteins from the transforming growth factor (TGF) beta superfamily or bone-morphogenic proteins, such as BMP2 or BMP7, may be used.
  • TGF transforming growth factor
  • Other suitable features may include spikes, keels, ridges, or other surface textures designed to encourage fixation between the implant 100 and the vertebrae 7, 9.
  • the stop portions 108, 110 include openings or apertures 120 to facilitate attachment of the implant 100 to the vertebrae 7,9 via screws 160.
  • the apertures 120 are oriented such that when the screws 160 are aligned with the apertures and pass through the apertures and a wall of the vertebral body to achieve strong cortical fixation.
  • stop portion 108 is shown as having a single aperture 120, in other embodiments the stop portion 108 has a plurality of apertures. Similarly, while stop portion 110 is shown as having two apertures 120, in other embodiments the stop portion 110 may have additional apertures or a single aperture.
  • the screws 160 are recessed with respect to an outside boundary of the apertures 120 or otherwise configured so as not to interfere with articulations, soft tissues, and neural structures. In some embodiments, the screws 160 can be constructed of a resorbable material and work in combination with another fixation method, such as one of the above-listed fixation methods associated with the engagement surfaces 112, 114.
  • the screws 160 can support the implant 100 until sufficient bone growth or other fixation has occurred on the engagement surfaces 112, 114, and afterwards be resorbed into the patient.
  • the implant 100 is adapted to preserve at least some motion of the vertebral joint.
  • the implant 100 includes the motion segment 106.
  • the motion segment 106 is of an appropriate shape or geometry to allow the implant 100 to preserve, at least partially, the motion of a joint.
  • the motion segment 106 may have a single curve, include multiple curves, include slits or openings, include multiple portions or parts, or consist of different types or thicknesses of materials. In this way the implant 100 may flex, compress, expand, twist, rotate, or otherwise preserve motion of the joint to a desired amount.
  • the motion segment 106 is also shaped to provide load bearing support.
  • the load bearing support of the motion segment 106 is adapted to substantially replace the load bearing support of a natural joint.
  • the motion segment 106 may provide greater or lesser load bearing support than the natural joint.
  • the implant 100 including the upper portion 102, lower portion 104, and motion segment 106, may be formed from a single, continuous piece of material.
  • the implant 100 is formed from a plurality of pieces or materials.
  • the motion segment can be made of a flexible material, and the portions 102, 104 can be made of more rigid and/or porous materials.
  • the implant 100 may be formed of any suitable biocompatible material including metals such as cobalt-chromium alloys, titanium alloys, nickel titanium alloys, or stainless steel alloys. Polymer materials may also be used, including any member of the polyaryletherketone (PAEK) family such as polyetheretherketone (PEEK), carbon- reinforced PEEK, or polyetherketoneketone (PEKK); polysulfone; polyetherimide; polyimide; ultra-high molecular weight polyethylene (UHMWPE); or cross-linked UHMWPE. Also, portions of the device may be formed out of ceramic. Ceramic materials such as aluminum oxide or alumina, zirconium oxide or zirconia, compact of particulate diamond, or pyrolytic carbon may also be suitable. Further, the implant 100 may be formed of multiple materials, permitting various combinations of metals, polymers, and ceramics. Finally, the implant 100 may be formed from or include a coating of a material adapted to cooperate with an imaging technique that may be used in conjunction with the implant.
  • the flexibility and support of the motion segment 106 may be selected based on its application. For example, where the implant 100 is adapted for use in the cervical region of the spine the motion segment 106 may allow more flexibility and provide less support than the case where the implant is adapted for use in the lumbar region of the spine. Further, the flexibility and support may be selected based on the patient's condition. For example, if the patient suffers from spondylolisthesis or scoliosis, then the motion segment 106 may be shaped to provide support and flexibility designed to facilitate correction of the condition.
  • the flexibility and support of the motion segment 106 may be selected by choosing the geometry of the motion segment, selecting the location of the motion segment, selecting the number of motion segments, selecting the material that the motion segment or implant 100 is made out of, or selecting the means of attachment to the vertebrae. Each of these factors may be related to each other. For example, the spring force of the material used may dictate both the shape and location of the motion segment 106. Similarly, the means of attachment may affect the shape of the motion segment or the material needed to provide the appropriate support and motion preservation.
  • determining these and other attributes of the implant 100 may be facilitated by modeling the implant in a 3-D simulation of the patient's spine to determine the appropriate combinations of number of motion segments, motion segment shapes, motion segment locations, materials for the implant and motion segments, and attachment means.
  • FIG. 4 shown therein is another embodiment of a spinal arthroplasty device according to the present disclosure.
  • the implant 200 in Fig. 4 is adapted for use with a spacer 220, however implant 200 may be substantially similar to implant 100 described above.
  • the spacer 220 may be any device or feature adapted to provide cushioning or dampening along with load bearing support.
  • the spacer 220 can be connected to the upper and/or lower portions 102, 104.
  • the spacer 220 is a separate component that may be selectively placed between to the upper and lower portions 102, 104.
  • Spacer 220 serves to support compressive and tensile loads on the vertebral joint while still preserving at least a limited amount of motion between vertebrae 7, 9.
  • the spacer 220 limits the amount of separation between the upper and lower portions 102, 104. The degree of allowable separation will be based upon the compression and extension characteristics of the spacer 220 and the implant 200.
  • the flexibility characteristics of the spacer 220 and the implant 200 are adapted to effectively work together to achieve the desired levels of allowed compression, extension, and axial movement.
  • the desired levels of compression, extension, and axial movement may be tailored to each patient.
  • the spacer 220 may be loaded in compression or tension to counteract the patient's natural physical condition.
  • a flexible housing or sheath may be utilized to protect the spacer 220 and preserve the functioning of the system as a whole.
  • a spring or similar device with openings is utilized as a spacer there is the possibility of interference with the function of the spring due to the body's natural processes, such as bone ingrowth, or the presence of a foreign object.
  • the use of a flexible housing or sheath decreases the chance of such interferences.
  • FIG. 5 shown therein is another embodiment of a spinal arthroplasty device according to the present disclosure.
  • the implant 300 in Fig. 5 may be substantially similar to implants 100, 200 described above.
  • Implant 300 includes an upper portion 302, a lower portion 304, and a motion segment 306.
  • the upper portion 302 includes protrusions 308 adapted to engage superior vertebrae 7.
  • lower portion 304 includes protrusions 310 adapted to engage inferior vertebrae 9.
  • the protrusions 308, 310 of the upper and lower portions 302, 304 may be spikes, keels, ridges, or other surface textures designed to encourage fixation between the implant 100 and the vertebrae 7, 9.
  • the implant 300 includes a sheath 312, shown in phantom.
  • the sheath 312 is adapted to prevent foreign objects, bone engrowth, or other materials from entering the space between the upper and lower portions 302, 304.
  • the sheath 312 is filled with an injectable polymer adapted fill in the space between the upper portion 302 and the lower portion 304.
  • the injectable polymer functions as a damper between the upper and lower portions 302, 304.
  • FIG. 6 shown therein is another embodiment of a spinal arthroplasty device according to the present disclosure.
  • the implant 400 in Fig. 6 may be substantially similar to implants 100, 200, 300 described above.
  • Implant 400 includes an upper portion
  • the lower portion 404 includes a second motion segment 408 and a lower stop portion 410.
  • the upper portion 402 includes an upper stop portion 412 and an engagement surface 414.
  • First motion segment 406 and second motion segment 408 will be described as two separate motion segments for simplicity. However, the first and second motion segments 406, 408 may be considered parts of a single motion segment.
  • the motion segments 406, 408 of the implant 400 preserve motion of the vertebral joint. Further, having the first motion segment 406 disposed near a posterior portion of the implant 400 and the second motion segment 408 disposed towards the middle of the implant allows the center of rotation for the implant 400 to moved towards the middle of the implant while still providing the necessary posterior support. Also, as shown the second motion segment 408 extends upwards toward upper portion 402. Thus, in some embodiments the second motion segment 408 may serve to limit the amount of compression the implant may undergo because the travel of the upper portion 402 downward towards the lower portion 404 will be resisted as the upper portion contacts the second motion segment.
  • a majority of the engagement surface 414 of the upper portion 402 is adapted to engage the endplate of superior vertebrae 7. However, in some embodiments a substantial portion of the lower portion 404 does not engage the endplate of inferior vertebrae 9. This is because in these embodiments in order to facilitate motion of the joint the second motion segment 408 is not attached or connected to inferior vertebrae 9. However, in these embodiments the lower stop portion 410, other areas of the lower portion, and separate attachment means may be utilized to secure the implant 400 to the inferior vertebrae.
  • the implants 100, 200, 300, 400 described above are adapted for insertion through an anterior approach to the spine.
  • the implants are adapted for insertion through other approaches including posterior, lateral, oblique, or any combination of these approaches.
  • the implants 100, 200, 300, 400 are adapted for bilateral insertion. That is, the implants will be inserted in pairs — one on each lateral side of the vertebral joint.

Abstract

L'invention concerne un dispositif prothétique (100) destiné à être placé au moins en partie entre une vertèbre supérieure et une vertèbre inférieure. Le dispositif prothétique inclut une seule pièce de matériau comportant une partie supérieure (102) adaptée pour engager la vertèbre supérieure, une partie inférieure (104) adaptée pour engager la vertèbre inférieure et un premier segment de mouvement (106) ayant une première forme pour permettre le mouvement entre la vertèbre supérieure et la vertèbre inférieure. La conception globale du dispositif est représentée par un ressort à lames en forme de U. Un espaceur flexible et gonflable peut être placé entre la partie supérieure et la partie inférieure.
PCT/US2007/066058 2007-04-05 2007-04-05 Dispositif d'arthroplastie WO2008123879A1 (fr)

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
WO2009129605A1 (fr) * 2008-04-22 2009-10-29 Kinetic Spine Technologies Inc. Entretoise intervertébrale artificielle
WO2011028575A2 (fr) * 2009-08-26 2011-03-10 Exactech, Inc. Entretoises intervertébrales souples et procédés associés
WO2011028681A2 (fr) * 2009-09-01 2011-03-10 Bear Brian J Espaceur d'arthroplastie en tissu mou biologique et resurfaçage d'articulation du poignet et de la main
JP2011152156A (ja) * 2009-05-26 2011-08-11 Minatogawa Kinzoku Test Piece Mfg Co Ltd 椎間インプラント
EP2433580A1 (fr) * 2010-09-28 2012-03-28 Zimmer GmbH Système de stabilisation antérieure de la colonne vertébrale
FR2973221A1 (fr) * 2011-04-04 2012-10-05 Groupe Lepine Implant intervertebral, notamment destine a etre implante entre deux vertebres cervicales
CN104000674A (zh) * 2014-06-10 2014-08-27 张衣北 具柔韧性骨小梁结构椎间融合器
US10076369B2 (en) 2013-01-16 2018-09-18 Spinefrontier, Inc Bone fastener for a spinal fixation assembly

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DE4315757C1 (de) * 1993-05-11 1994-11-10 Plus Endoprothetik Ag Wirbelkörperimplantat
WO2001062190A1 (fr) * 2000-02-24 2001-08-30 Stryker Spine Sa Implant intervertebral a corps rigide et faces d'appui
WO2003077806A1 (fr) * 2002-03-15 2003-09-25 Fixano Implant intervertebral dynamique
WO2007090017A1 (fr) * 2006-01-27 2007-08-09 Warsaw Orthopedic, Inc. Implants intervertebraux et procedes d'utilisation

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Publication number Priority date Publication date Assignee Title
DE4315757C1 (de) * 1993-05-11 1994-11-10 Plus Endoprothetik Ag Wirbelkörperimplantat
WO2001062190A1 (fr) * 2000-02-24 2001-08-30 Stryker Spine Sa Implant intervertebral a corps rigide et faces d'appui
WO2003077806A1 (fr) * 2002-03-15 2003-09-25 Fixano Implant intervertebral dynamique
WO2007090017A1 (fr) * 2006-01-27 2007-08-09 Warsaw Orthopedic, Inc. Implants intervertebraux et procedes d'utilisation

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009129605A1 (fr) * 2008-04-22 2009-10-29 Kinetic Spine Technologies Inc. Entretoise intervertébrale artificielle
US8603176B2 (en) 2008-04-22 2013-12-10 Kinetic Spine Technologies Inc. Artificial intervertebral spacer
KR101547212B1 (ko) 2008-04-22 2015-08-25 키네틱 스파인 테크놀로지스 인크. 인공 추간 스페이서
JP2011152156A (ja) * 2009-05-26 2011-08-11 Minatogawa Kinzoku Test Piece Mfg Co Ltd 椎間インプラント
WO2011028575A2 (fr) * 2009-08-26 2011-03-10 Exactech, Inc. Entretoises intervertébrales souples et procédés associés
WO2011028575A3 (fr) * 2009-08-26 2011-07-14 Exactech, Inc. Entretoises intervertébrales souples et procédés associés
WO2011028681A2 (fr) * 2009-09-01 2011-03-10 Bear Brian J Espaceur d'arthroplastie en tissu mou biologique et resurfaçage d'articulation du poignet et de la main
WO2011028681A3 (fr) * 2009-09-01 2011-07-14 Bear Brian J Espaceur d'arthroplastie en tissu mou biologique et resurfaçage d'articulation du poignet et de la main
EP2433580A1 (fr) * 2010-09-28 2012-03-28 Zimmer GmbH Système de stabilisation antérieure de la colonne vertébrale
FR2973221A1 (fr) * 2011-04-04 2012-10-05 Groupe Lepine Implant intervertebral, notamment destine a etre implante entre deux vertebres cervicales
US10076369B2 (en) 2013-01-16 2018-09-18 Spinefrontier, Inc Bone fastener for a spinal fixation assembly
CN104000674A (zh) * 2014-06-10 2014-08-27 张衣北 具柔韧性骨小梁结构椎间融合器

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